12mm Hexagon Stem Motorcycle Mount for Garmin eTrex 10 eTrex 20 eTrex 30 fits Honda Blackbird & Kawasaki (sku 34603)Dedicated slide fit GPS holder with retaining tab fits Garmin eTrex 10, eTrex 20 and eTrex 30. Designed to hold the GPS in the same was as the original cradle. Fits the Garmin eTrex 10, eTrex 20 and eTrex 30. 12mm Hexagon Hole fitting GPS mount base for Honda Blackbird and many Kawasaki Motorcycles. Unique central yoke fitting for sports bikes British engineered made from Anodised Aluminium. Simple allen key fitting. Note not compatible with steering